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Tibo discusses GPT-6.1 Terra’s writing and “2X” usage compared with 6.1 Sol

Tibo describes Terra’s writing and computer use, with “2X” usage relative to 6.1 Sol across API and subscriptions. These are attributed product-discussion claims.

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Original X post

Author and role: @thsottiaux · OpenAI Codex team; described as Codex lead in OpenAI’s May 2026 event

Identity evidence () · Source published:

Product discussion. This reports the author’s product discussion. It is not a formal release notice or a promise of availability.

Tibo (@thsottiaux), associated with OpenAI’s Codex team, discusses Terra in a public post marked Day 22. The OpenAI post he quotes identifies the model as GPT-6.1 Terra. This is product discussion, not an independent test.

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Tibo discusses GPT-6.1 Terra’s writing and “2X” usage compared with 6.1 Sol

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What the author said · editorial paraphrase

  • Tibo says Terra is back and describes improvements in writing, personality and nuanced understanding of requests, alongside strong computer use. These are his assessments, not benchmark results established here.
  • He uses “2X” for usage compared with 6.1 Sol and explicitly names API and subscriptions. We preserve that comparison without converting it into a percentage, a price calculation or a fixed plan allowance.
  • The quoted OpenAI text names GPT-6.1 Terra and describes understanding the screen, acting across apps and writing naturally. These are OpenAI’s product descriptions, not this site’s measurements.

AISubHub analysis

The discussion identifies writing style, instruction nuance and computer actions alongside a model-specific usage comparison. Actual API and subscription conditions still need separate checks for each plan and account.

Limits and availability

Only the visible text of Tibo’s post and the quoted OpenAI post was reviewed. The quoted 31-second promotional video was not fully reviewed and is not performance evidence here; the linked long announcement was not read and no independent test was run. “2X” does not establish half-price access, a quota reset, availability to every account or free tier, supported regions, or exact usage limits.

Sources and evidence

Tibo (@thsottiaux) · GPT-6.1 Terra product discussion

Source published: · Source checked:

AI-assisted editorial articles checked against linked primary sources. Vendor claims are attributed; inclusion is not endorsement.